Stadium: Center Court Round: 24 Ground: Hardcourt indoor
| Challenger Liuzhou | 2019/10/21 03:20 | Renta Tokuda v Jie Cui | 7-5,4-6,3-6 |
| ITF M25 Tay Ninh | 2019/10/01 03:30 | Shao-Fan Liu v Renta Tokuda | 6-2,6-4 |
| Challenger Kaohsiung | 2019/09/18 10:00 | Renta Tokuda v Jason Jung | 2-6,3-6 |
| Challenger Kaohsiung | 2019/09/16 06:30 | Shintaro Imai v Renta Tokuda | 3-6,4-6 |
| Challenger Šanghaj | 2019/09/09 02:00 | James Ward v Renta Tokuda | 6-3,6-4 |
| Challenger Jinan | 2019/09/04 06:00 | Prajnesh Gunneswaran v Renta Tokuda | 6-2,6-2 |
| Challenger Jinan | 2019/09/03 06:55 | Tak Khunn Wang v Renta Tokuda | 6-3,5-7,3-6 |
| Challenger Jinan | 2019/09/02 02:00 | Renta Tokuda v Yuquan Jin | 6-1,6-3 |
| Challenger Kobe | 2019/11/04 01:30 | Yuta Kawahashi v Ren Nakamura | 6-2,6-1 |
| ITF M15 Čchangwon | 2019/10/16 02:55 | Yuta Kawahashi v Michael Shabaz | 7-5,2-6,4-6 |
| ITF M15 Akishima | 2019/06/16 02:00 | Yuta Kawahashi v Yuta Kikuchi | 5-7,7-5,7-6 |
| ITF M15 Akishima | 2019/06/15 03:30 | Rio Noguchi v Yuta Kawahashi | 4-6,3-6 |
| ITF M15 Akishima | 2019/06/14 01:00 | Yuta Kawahashi v Kazuma Kawachi | 7-5,6-1 |
| ITF M15 Akishima | 2019/06/13 02:30 | Sho Shimabukuro v Yuta Kawahashi | 2-6,6-4,3-6 |
| ITF M15 Akishima | 2019/06/11 06:35 | Yuta Kawahashi v Kousuke Ogura | 6-0,6-0 |
| ITF M15 Karuizawa | 2019/05/29 04:00 | Yuta Kawahashi v Yuki Mochizuki | 1-6,2-6 |